Historic railroad grade through towering red sandstone cliffs with climbers scaling famous formations.

The trail begins at the Fowler/Rattlesnake Gulch trailhead, where Fowler transitions from Boulder Open Space and Mountain …

Last updated: October 3, 2025

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Your route passes through protected areas

Please check local regulations for:

Eldorado Canyon State Park

Boulder Open Space and Mountain Parks

Waypoints

Start point

Parking

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490 m

Fowler West Trail with amazing canyon views

Highlight • Trail

A great trail where you are able to watch rock climbers!

Tip by

4.15 km

South Boulder Diversion Canal crossing

Highlight (Segment) • Bridge

Even though it isn't a roaring river, the South Boulder Diversion Canal has a bridge crossing on the Goshawk Ridge Trail. This riparian area is usually greener than the rockier parts of the trail surrounding it.

Tip by

7.68 km

End point

Parking

Way Types & Surfaces

Way Types

7.63 km

< 100 m

Surfaces

6.43 km

1.23 km

< 100 m

Elevation

Highest point (2,000 m)

Lowest point (1,840 m)

Weather

Today

Friday 28 November

14°C

-8°C

25 %

If you start your activity now...

Max wind speed: 15.0 km/h

to get more detailed weather forecasts along your route

This route was planned by komoot.

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Fowler West Trail with amazing canyon views

South Boulder Diversion Canal crossing

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